Cisco 7970G Keyboard codes

Unlock

  **#

Reset

  **#**

Reset to factory settings and upload new firmware

To do this you will need to hold the '#' button down and turn the phone on. Remain holding the '#' button until orange lights cycle down where the speed dial buttons are. Once its begins to cycle release the '#' button and press each of the following button after each other:

1 2 3 4 5 6 7 8 9 0 * #

, this should then turn the orange speed dial lights to red. This will then begin the firmware reload on the phone which pick up the files off the TFTP server.